Gain insights into R, the leading language for data analysis. Learn about its basics, advanced concepts, and practical coding to drive valuable insights from large datasets.

The digital world we live in has given companies and people access to staggering amounts of data, and anyone that can make use of that to drive valuable insights stands to benefit. The ability to work with large amounts of data is becoming a standard requirement for countless jobs across multiple industries.

Enter R, probably the most well-known language for data analysis. It's been used for years due to its robust statistical functionality, outstanding graphing ability, and extensibility through packages.

This interactive course will get you up to speed and assumes no prior knowledge of R. You'll start with the very basics and work your way up to advanced concepts like exception handling. By the time you're done, you'll be able to write detailed, useful code in R yourself.

Learn R from Scratch

A character is basic data type.

**pi** is a reserved word in R language, but it can be also used as an **identifier**.

pi is a reserved word in R language, but it can be also used as an identifier.

**Identifiers** cannot begin with an **underscore** `_`

Identifiers cannot begin with an underscore <code>_</code>

<code>typeof()</code> is different from <code>class()</code>.

Variables in the current directory can be found using:

Variables in the current directory can be found using:

We can define strings using both double qoutes and single qoutes in R.

We can define strings using both double qoutes and single qoutes in R.

The correct method to find the length of a string is:

The correct method to find the length of a string is:

Overriding the default separator for `paste()`.

Concatenating two numbers using `paste()`.

The `sep` argument in `paste()` is used for:



The <code>sep</code> argument in <code>paste()</code> is used for:

The correct syntax for `replicate()` is 
```r
replicate(<numberOfTimes>, <stringToReplicate>)
```

The correct syntax for <code>replicate()</code> is
<pre><code class="language-r">replicate(&lt;numberOfTimes&gt;, &lt;stringToReplicate&gt;)
</code></pre>

Getting Started

Variables

Exploring R Objects

R Operators and Notation

Conditional Statements

Loops

Functions

Input/Output

Exception Handling

Classes

Fun Challenges

Conclusion

Test Your Knowledge 1

Quiz on Variables in R Language